package com.xxl.job.core.util;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.*;

/**
 * @author xuxueli 2020-04-12 0:14:00
 */
public class JdkSerializeTool {

  private static Logger logger = LoggerFactory.getLogger(JdkSerializeTool.class);

  // ------------------------ serialize and unserialize ------------------------

  /**
   * 将对象-->byte[] (由于jedis中不支持直接存储object所以转换成byte[]存入)
   *
   * @param object
   * @return
   */
  public static byte[] serialize(Object object) {
    ObjectOutputStream oos = null;
    ByteArrayOutputStream baos = null;
    try {
      // 序列化
      baos = new ByteArrayOutputStream();
      oos = new ObjectOutputStream(baos);
      oos.writeObject(object);
      byte[] bytes = baos.toByteArray();
      return bytes;
    } catch (Exception e) {
      logger.error(e.getMessage(), e);
    } finally {
      try {
        oos.close();
        baos.close();
      } catch (IOException e) {
        logger.error(e.getMessage(), e);
      }
    }
    return null;
  }


  /**
   * 将byte[] -->Object
   *
   * @param bytes
   * @return
   */
  public static <T> Object deserialize(byte[] bytes, Class<T> clazz) {
    ByteArrayInputStream bais = null;
    try {
      // 反序列化
      bais = new ByteArrayInputStream(bytes);
      ObjectInputStream ois = new ObjectInputStream(bais);
      return ois.readObject();
    } catch (Exception e) {
      logger.error(e.getMessage(), e);
    } finally {
      try {
        bais.close();
      } catch (IOException e) {
        logger.error(e.getMessage(), e);
      }
    }
    return null;
  }


}
